Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | 3-Pyridinecarboxaldehyde | HCID 10371 | — |
| Reactant | Sodium hydride | HCID 24758 | — |
| Reactant | Triethyl 2-phosphonopropionate | HCID 107155 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 67401333 | HCID 67401333 | 90% |
Reaction Steps
Sixty percent sodium hydride (in oil) (224 mg, 5.6 mmol) was suspended in tetrahydrofuran (5 mL). To this, triethyl 2-phosphonopropionate (1.2 mL, 5.6 mmol) was added under a nitrogen atmosphere with cooling in an ice bath and the mixture was stirred at the same temperature for 30 minutes. To this, 3-pyridinecarboxaldehyde (300 mg, 2.8 mmol) was added and the mixture was stirred at the same temperature for 1.5 hours. After water was added to the reaction mixture, extraction with ethyl acetate was performed, followed by washing with brine and drying over anhydrous magnesium sulfate. The solvent was evaporated off under reduced pressure, and the residue was purified by silica gel column chromatography (hexane/ethyl acetate=1/0 to 2/1) to give ethyl 2-methyl-3-(pyridin-3-yl)acrylate (480 mg, yield: 90%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08673908B2 |
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| Source dataset | uspto-grants-2014_03 |
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| ORD ID | ord-b954dccd708f4307ba82f9298d144e63 |
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| Source note | uspto-grants-2014_03 |
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